The Solar System～ All Natural High Quality without enhancement Genuine Gemstones Materials： Agate, K2 Blue, Tiger's Eye Stone (Blue & Yellow), Blue Morganite, Red jasper, Labradorite, Silver Black Obsidian, Blue Lace Agate, 925 Sterling Silver, Japanese silk cord. ～ Universal Energy stretch cord bracelet, Oneness & Peace. This is a stretch cord bracelet, easy to wear and take off. "Size" here means your "wrist size", not "bracelet length". Your bracelet will be customized according to your exact wrist size. If you would like to request a custom-made order, please send me a private message to discuss the details.